Destinationz Destinationz
  • 25-04-2019
  • Mathematics
contestada

f(3)=x^(3)-19x+30

Show that is equation = 0

Respuesta :

lordnewell
lordnewell lordnewell
  • 25-04-2019

Sub in 3 for all the x:       =(3)³ - 19(3) +30

Expand the brackets:      =27 - 57 + 30

Solve the equation:         =0

Say you've solved it:        QED

Answer Link

Otras preguntas

find three examples of corporate logos. do they incorporate symmetry? if so, and what kind? your response should be 3-5 sentences long
Find the value of x in the triangle shown below. Plzzz help ASAP
Describe the sizes of the sun, moon and Earth models given to the participants. Before embarking on the actual activity, what did the participants learn as a re
Which are characteristics of a prokaryotic cell? Select three options. contains DNA lacks DNA contains ribosomes lacks ribosomes contains a nucleus lacks a nucl
Help all mathematicians!
30.379944, -84.292603
The Sum of the prime factor of 4275 is ?
What is the measure of < x
If the Senate passes one version of a bill and the House another, the bill
13. A base is also known as A) A proton donor B) An electron donor C) proton acceptor D)An electron acceptor